constant
not changing or varying; uniform; regular; invariable: All conditions during the three experiments were constant.
continuing without pause or letup; unceasing: constant noise.
regularly recurrent; continual; persistent: He found it impossible to work with constant interruption.
faithful; unswerving in love, devotion, etc.: a constant lover.
steadfast; firm in mind or purpose; resolute.
Obsolete. certain; confident.
something that does not or cannot change or vary.
Physics. a number expressing a property, quantity, or relation that remains unchanged under specified conditions.
Mathematics. a quantity assumed to be unchanged throughout a given discussion.
Origin of constant
1synonym study For constant
Other words for constant
Opposites for constant
1 | changeable |
2 | fitful |
3 | sporadic |
4 | unreliable |
5 | wavering |
Other words from constant
- con·stant·ly, adverb
- non·con·stant, noun, adjective
- o·ver·con·stant, adjective
- o·ver·con·stant·ness, noun
- qua·si-con·stant, adjective
- un·con·stant, adjective
Other definitions for Constant (2 of 2)
Paul Hen·ri Ben·ja·min Bal·luat [pawl ahn-reeban-zha-manba-lwa]. /pɔl ɑ̃ˈri bɛ̃ ʒaˈmɛ̃ baˈlwa/. Paul d'Estournelles de Constant.
Jean Jo·seph Ben·ja·min [zhahnzhaw-zefban-zha-man], /ʒɑ̃ ʒɔˈzɛf bɛ̃ ʒaˈmɛ̃/, 1845–1902, French painter.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use constant in a sentence
There are always some constants in the last days of October.
For these older characters, though, some constants still ring true.
Television’s 20-Something Female Virgins: ‘Girls,’ ‘Grey’s,’ and ‘Underemployed’ | Whitney Friedlander | November 27, 2012 | THE DAILY BEASTIt is clear that the numbers in the third column of each part represent approximately constants.
The Elements of Qualitative Chemical Analysis, vol. 1, parts 1 and 2. | Julius StieglitzThese constants are thus seen to be a measure of the chemical stability of these pentahalides.
The Elements of Qualitative Chemical Analysis, vol. 1, parts 1 and 2. | Julius StieglitzExamination of other acids shows that there is an enormous range in the values found for their respective ionization constants.
The Elements of Qualitative Chemical Analysis, vol. 1, parts 1 and 2. | Julius Stieglitz
While the constants of a large number of organic bases194 have been determined few constants of inorganic bases are as yet known.
The Elements of Qualitative Chemical Analysis, vol. 1, parts 1 and 2. | Julius StieglitzThe solubility-product constants, for similar salts, are a measure of their solubilities in water.
The Elements of Qualitative Chemical Analysis, vol. 1, parts 1 and 2. | Julius Stieglitz
British Dictionary definitions for constant (1 of 2)
/ (ˈkɒnstənt) /
fixed and invariable; unchanging
continual or continuous; incessant: constant interruptions
resolute in mind, purpose, or affection; loyal
something that is permanent or unchanging
a specific quantity that is always invariable: the velocity of light is a constant
maths a symbol representing an unspecified number that remains invariable throughout a particular series of operations
physics a theoretical or experimental quantity or property that is considered invariable throughout a particular series of calculations or experiments
See logical constant
Origin of constant
1Derived forms of constant
- constantly, adverb
British Dictionary definitions for Constant (2 of 2)
/ (French kɔ̃stɑ̃) /
Benjamin (bɛ̃ʒamɛ̃). real name Henri Benjamin Constant de Rebecque. 1767–1830, French writer and politician: author of the psychological novel Adolphe (1816)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for constant
[ kŏn′stənt ]
A quantity that is unknown but assumed to have a fixed value in a specified mathematical context.
A theoretical or experimental quantity, condition, or factor that does not vary in specified circumstances. Avogadro's number and Planck's constant are examples of constants.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for constant
A number that appears in equations and formulas and does not vary or change. Examples are Planck's constant and the speed of light.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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